198371272 has 48 divisors (see below), whose sum is σ = 413084700. Its totient is φ = 89232000.

The previous prime is 198371221. The next prime is 198371293. The reversal of 198371272 is 272173891.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 127373796 + 70997476 = 11286^2 + 8426^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96754 + ... + 98782.

Almost surely, 2^198371272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198371272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206542350).

198371272 is an abundant number, since it is smaller than the sum of its proper divisors (214713428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198371272 is a wasteful number, since it uses less digits than its factorization.

198371272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158 (or 2143 counting only the distinct ones).

The product of its digits is 42336, while the sum is 40.

The square root of 198371272 is about 14084.4336769357. The cubic root of 198371272 is about 583.2117422399.

The spelling of 198371272 in words is "one hundred ninety-eight million, three hundred seventy-one thousand, two hundred seventy-two".